| Patents for G01F 23 - Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm (31,056) |
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| 02/27/2003 | US20030037836 Automatic refill system for ultra pure or contamination sensitive chemicals |
| 02/27/2003 | US20030037613 Redundant level measuring system |
| 02/27/2003 | US20030037612 Apparatus for detecting liquid level |
| 02/27/2003 | US20030037611 Adapter for holding a sample container to facilitate sensing of liquid level in the sample container |
| 02/27/2003 | US20030037600 Foam detector for concentrator attachment for gas chromatograph |
| 02/27/2003 | DE19919118C2 Verfahren zur Messung der Füllstandshöhe in einer Zentrifugentrommel einer Filterzentrifuge und Vorrichtung zur Durchführung des Verfahrens Method for measuring the filling level in a centrifuge drum of a filtering centrifuge and apparatus for carrying out the method |
| 02/26/2003 | EP1286105A2 Differential pressure gauge for cryogenic fluids which selects a density value based on pressure measurement |
| 02/26/2003 | EP1285241A1 Piezoelectrically excited oscillating element |
| 02/26/2003 | EP1285240A1 Electro-optic sensor for levelmeter providing output signal with frequency modulated by surface level |
| 02/26/2003 | EP1285239A1 Level meter |
| 02/26/2003 | EP1285237A2 Electrical leakage diagnostics in a magnetic flow meter |
| 02/26/2003 | EP1285236A2 Conduction indication in a magnetic flowmeter |
| 02/26/2003 | EP1285235A2 Spectral diagnostics in a magnetic flow meter |
| 02/26/2003 | CN2537964Y 液位指示器 Level indicator |
| 02/26/2003 | CN2537588Y Oil tank capable of displaying oil level |
| 02/25/2003 | WO2002016019A2 Method for measuring the level of a medium in a reactor |
| 02/25/2003 | US6523406 Gear assembly with alignment feature |
| 02/25/2003 | US6523405 Portable bin full indicator |
| 02/25/2003 | US6523404 Apparatus for measuring a fluid level |
| 02/25/2003 | CA2420489A1 Method for measuring the level of a medium in a reactor |
| 02/20/2003 | WO2003015453A1 Method of communicating conditions within a storage tank level |
| 02/20/2003 | WO2002088692A3 Apparatus for detecting the presence of liquid in a storage container and corresponding method |
| 02/20/2003 | US20030035462 Method and apparatus for measuring the level of the contents |
| 02/20/2003 | US20030034895 Animal drinking apparatus with low level sensing device |
| 02/20/2003 | US20030033872 Water jacket mechancial fluid level monitoring device for cell-culture laboratory incubators |
| 02/20/2003 | US20030033871 Liquid level and weight sensor |
| 02/20/2003 | US20030033869 Method and device for detecting a filling process |
| 02/20/2003 | DE20212986U1 Mechanical bath filling alarm has stainless steel and plastic parts |
| 02/20/2003 | CA2398211A1 A method and apparatus for measuring the level of the contents |
| 02/19/2003 | EP1284411A2 Temperature compensation of an inductive sensor |
| 02/19/2003 | EP1110060B1 Device and method for storing a gaseous medium in a storage container |
| 02/19/2003 | CN2537000Y Digital fuel gauge contactless digital fuel meter |
| 02/18/2003 | US6520011 Powder detecting capacitance-type sensor |
| 02/18/2003 | CA2095152C Sample pipetting method |
| 02/13/2003 | WO2003012379A1 Ultrasonic level and density measurement |
| 02/13/2003 | WO2003012378A1 Level and density measurement using gamma radiation |
| 02/13/2003 | US20030030703 Piezo-electric device and ink cartridge having the same |
| 02/13/2003 | US20030030517 Measuring device and process seal therefor |
| 02/13/2003 | US20030029223 Fully automated, self testing level sensor |
| 02/12/2003 | EP1283412A2 Method and apparatus for detecting a filling process |
| 02/12/2003 | EP1282831A2 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing |
| 02/12/2003 | CN2535787Y Capacitor-type liquid-level sensor |
| 02/12/2003 | CN2535786Y Water-temp. water-level sensor of solar water-heater |
| 02/12/2003 | CN2535785Y Liquid-level meter |
| 02/12/2003 | CN2535059Y 输液监护器 Infusion monitors |
| 02/12/2003 | CN1396440A 水位传感器 Water level sensor |
| 02/11/2003 | US6518873 Variable resistive element |
| 02/11/2003 | US6517604 Alternating current (AC) electromagnetic field. |
| 02/11/2003 | US6517512 Heart lung machine suction device with sensor |
| 02/11/2003 | US6516661 Volume measurement system and method for volume element counting |
| 02/11/2003 | CA2084446C Spiral gauge with integral support tube |
| 02/07/2003 | CA2397029A1 Differential pressure gauge for cryogenic fluids which selects a density value based on pressure measurement |
| 02/06/2003 | US20030028336 Method of communicating conditions within a storage tank level |
| 02/06/2003 | US20030025630 Level Transmitter |
| 02/06/2003 | US20030025626 Pulse center detector for radars and reflectometers |
| 02/06/2003 | US20030024306 Method and device for measuring levels |
| 02/05/2003 | EP1282093A1 System for telemonitoring of manholes, especially of manholes of a long-distance heating network |
| 02/05/2003 | EP1281940A1 Fluid level detection using thermal expansion of a capillary tube |
| 02/05/2003 | EP1281525A2 Piezo-electric device and ink cartridge having the same |
| 02/05/2003 | EP1281051A1 Device for determining and/or monitoring the level of a filling material in a container |
| 02/05/2003 | CN2534570Y Capacitance level gauage |
| 02/05/2003 | CN2534569Y Variable electricity quantity type liquid level measurer |
| 02/05/2003 | CN2534568Y Moisture liquid level alarmer |
| 02/05/2003 | CN2534567Y Automatic stabilizing speed stock rod |
| 02/05/2003 | CN2534566Y Non-corrosion antiscale sensor |
| 02/05/2003 | CN2534565Y 雨量计 Rain Gauge |
| 02/05/2003 | CN1395084A Drum built-in electrode level measuring tube |
| 02/05/2003 | CN1394756A Method and equipment for checking ink content in ink-storage trough |
| 02/04/2003 | US6513892 Printer with an ink container and an ink remainder detector |
| 02/04/2003 | US6513379 Infant drinking cup |
| 02/04/2003 | US6513378 Liquid level float switch with manual reset |
| 02/04/2003 | US6513377 Boiler level indicator |
| 02/04/2003 | US6513376 Liquid level height measurement system |
| 02/04/2003 | US6513373 Suspension support with volume indication for a LPG tank |
| 01/30/2003 | WO2003008916A1 Means for measuring the liquid level in a reservoir for a fuel cell |
| 01/30/2003 | WO2003008907A1 Method for determining the relative elevation of points in a near-shore area and measuring device for establishing a stable instantaneous water level |
| 01/30/2003 | WO2002035188A3 Capacitance probe and spacer therefor |
| 01/30/2003 | US20030023397 Portable, digital storage-tank measurement device |
| 01/30/2003 | US20030021186 Power saving technique for pulse-echo acoustic ranging systems |
| 01/30/2003 | US20030020199 Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
| 01/30/2003 | US20030019292 Aircraft fuel level gauge |
| 01/30/2003 | US20030019291 Electromagnetic method of liquid level monitoring |
| 01/29/2003 | EP1279938A1 Load sensing by partial magnetic saturation |
| 01/29/2003 | EP1279936A1 Liquid level sensing mechanism |
| 01/29/2003 | CN2533475Y Accumulator state tester for vehicle |
| 01/29/2003 | CN2533453Y Water level sensor |
| 01/29/2003 | CN2533452Y Sounding multipoint water level synchronous measuring device |
| 01/29/2003 | CN1100357C 微波窗 Microwave window |
| 01/28/2003 | US6510739 Apparatus for continuously monitoring liquid level conditions in a liquid-vapor separating device |
| 01/28/2003 | US6510736 Liquid depth sensing system |
| 01/23/2003 | WO2003007103A2 Monitor and warning apparatus and methods |
| 01/23/2003 | US20030016957 Capacitive probe toner level detector assembly |
| 01/23/2003 | US20030015353 Telemetry technology for measurement devices |
| 01/23/2003 | US20030015036 Acoustic volume indicator |
| 01/23/2003 | CA2394739A1 Power saving technique for pulse-echo acoustic ranging systems |
| 01/22/2003 | EP1278048A2 Liquid level measurement method and device |
| 01/22/2003 | EP1277243A1 Piezo-ceramic multilayer component for measuring instruments and method for the production thereof |
| 01/22/2003 | EP1049626A4 Non-contact ultrasonic micromeasurement system |
| 01/22/2003 | CN2532463Y Magnetic effect non-contact type liquid level measurer |
| 01/22/2003 | CN2532462Y Liquid level probe for water tank of solar energy water-heater |